发明名称 |
PROCEDE DE FABRICATION D'UNE CLE POUR OUVRIR DES BOITES DE CONSERVES A LANGUETTE, ET CLE REALISEE PAR CE PROCEDE |
摘要 |
<p>The process is used to fabricate a key which opens a food tin by winding a strip out of the wall of the tin. A longitudinal slanted cut (3) is made in a piece of metal wire (1), a cutting-stamping tool then being used to split the wire by twisting a half of the wire (4) laterally over a pre-determined length. Finally the twisted half is re-positioned on the wire axis (x-x) defining a narrow crevice (5) into which the tongue of a tin is introduced. The crevice may reduce in width uniformly from its inlet to its bottom (5a).</p> |
申请公布号 |
FR2502520(A1) |
申请公布日期 |
1982.10.01 |
申请号 |
FR19810005946 |
申请日期 |
1981.03.25 |
申请人 |
BIRAMBEAU AS |
发明人 |
MICHEL GOURHANT |
分类号 |
B21F45/00;B67B7/40;(IPC1-7):21D53/42;67B7/40 |
主分类号 |
B21F45/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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